26931667

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 4517933

約数列:

[1, 7, 89, 139, 311, 623, 973, 2177, 12371, 27679, 43229, 86597, 193753, 302603, 3847381, 26931667]

約数ペア:

[(1, 26931667), (7, 3847381), (89, 302603), (139, 193753), (311, 86597), (623, 43229), (973, 27679), (2177, 12371)]